Nitrosulfamide
[化] 亚硝基硫酰胺
🗣️ 情景例句
Surprise.
惊喜。
Pleasure has a sting in its tail.
乐中必有苦。
'I was just wondering how to spend the morning -- until I saw you.
“我正不知道怎么消磨这一上午呢，正好见到好。